<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/style.css">
    <style>
        /*类选择器格式*/
        .h1_one{
            color: wheat;
            border-radius: 6px;
            background: aqua;
        }
        .h1_two{
            color: #000;
            border-radius: 4px;
            background: aliceblue;
        }

    </style>
</head>
<body>
<h1 class="h1_one">罗邹晨</h1>
<h1 class="h1_two">罗邹晨</h1>
<h1 class="h1_one">罗邹晨</h1>
<p class="h1_two">嘿嘿嘿</p>
</body>
</html>